* fix#7548 by updating to v142 toolset (again)
* small note
* it's a compiler bug. let's just try
* you get a pass vc++... THIS TIME
* should no longer need v141 toolset!
Changes:
* Make Visual Studio 2019 a prerequisite for building this repo
* Update .sln files
* Update Windows SDK to 17134
* Update developer docs
* Disable ANCM tests
* Update to .NET Core SDK 3.0 Preview 2
* Use Microsoft.NET.Sdk.Razor as a package consistently accross the repo
* React to changes in metadata from Microsoft.NETCore.App
* React to changes in .NET Core SDK
* Attempt to workaround CodeCheck.ps1 failure which doesn't repro locally or on different agents. Possibly due to differences in the version of the PowerShell task?
* Remove dead YML file
* Rename usages of win7-{x64,x86} to win-{x64,x86}
* Update KoreBuild to 3.0.0-build-20190219.1
* Support installing Community, Professional, or Enterprise versions of VS.
* Remove messages about build agents.
* Add examples to docs and the help output.
Update the build scripts to support building subfolders or subgroups of projects
* Add build scripts for ci
* Remove obsolete scripts
* Add flags like --test and --pack to control running just test or packaging
* Add flags like --managed and --native to control building sub-types of projects
* Remove KoreBuild bootstrapper flags
* Update to extensions 3.0.0-preview.18619.1 (needed to get a fix for aspnet/Extensions#815 to make this change work on MSBuild.exe)
Kevin Pilch
Andrew Stanton-Nurse
Nate McMaster